The best times to visit San Marco for ideal weather are
February 5th to May 6th
October 8th to December 30th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
San Marco Travel Guide
Other San Marco Travel Info
Weather in San Marco
Average temperatures in San Marco vary greatly. Considering humidity, temperatures feel nice most of the year, excluding some hot weeks in the summer, with a fair chance of precipitation about half of the year. The area is somewhat temperate — in the 40th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit San Marco, the hottest months are August, July, and then June. See average monthly temperatures below. The warmest time of year is generally early to mid August where highs are regularly around 94.5°F (34.7°C) with temperatures rarely dropping below 78.1°F (25.6°C) at night.
San Marco Temperatures (Fahrenheit)
San Marco Temperatures (Celsius)
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
San Marco Perceived Temperature (F)
San Marco Perceived Temperature (C)
Average San Marco Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in San Marco are November, December, and then October. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid October. For example, on the week of October 15th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid July with an average of 3 days of significant precipitation the week of July 16th.
When can you find snow in San Marco? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in San Marco.
Snow on the Ground
The graph below shows the average snow on the ground in San Marco (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
San Marco has some high humidity months, with other comfortably humid months. The least humid month is April (52.5% relative humidity), and the most humid month is September (64.5%).
Wind in San Marco is usually moderate. The windiest month is May, followed by April and March. May’s average wind speed of around 8 knots (9.2 MPH or 14.8 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid July where average top sustained speeds reach 16.9 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in San Marco.
The graph below shows wind speed (max and average) in knots.
Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
|Month||Avg. Wind||Avg. Wind Feel||Sustained High Wind||High Wind Feel|
|Jan||7.1||Gentle breeze||13.4||Significant breeze|
|Feb||7||Gentle breeze||13.7||Significant breeze|
|Mar||7.7||Gentle breeze||14.4||Significant breeze|
|Apr||7.9||Gentle breeze||14.5||Significant breeze|
|May||8||Gentle breeze||15.1||Significant breeze|
|Jun||7||Gentle breeze||15.7||Significant breeze|
|Jul||6.7||Light breeze||15.7||Significant breeze|
|Aug||6.7||Light breeze||15.2||Significant breeze|
|Sep||6.9||Light breeze||13.4||Significant breeze|
|Oct||7.1||Gentle breeze||12.9||Significant breeze|
|Nov||7.6||Gentle breeze||13.3||Significant breeze|
|Dec||6.8||Light breeze||12.6||Significant breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to San Marco?
Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Sep 23, 2019.
The Busiest and Least Crowded Months
The busiest month for tourism in San Marco, FL, US is July, followed by June and May. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit San Marco in November. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
Overall San Marco Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel warm. Highs range from 89°F (31.7°C) and 70.8°F (21.6°C) with warmer temperatures in the later months. Rain is somewhat common with 4 to 5 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.
Summer (June through August)
The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see the most precipitation with 9 to 11 days of precipitation per month. June – August is the busiest season for tourism in San Marco, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 90.6°F (32.6°C) and 71.6°F (22°C), which will feel very nice given the humidity and wind. It rains or snows a significant amount: 4 to 8 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.
Winter (December through February)
Weather is somewhat cool this time of year in San Marco to be enjoyable for warm weather travelers. The average high during this season is between 72.9°F (22.7°C) and 66°F (18.9°C). On average, it rains or snows a fair amount: 4 to 6 times per month. These times of year are fairly slow with tourists.